Home / 2,725.90-3,766.86-2,228.36

Finding the Fourth Proportional to 2,725.90, 3,766.86 and 2,228.36

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Solution

The fourth proportional to 2,725.90, 3,766.86 and 2,228.36 is: 3,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.90 : 3,766.86 = 2,228.36 : x
  2. Step 2: Convert to fraction form
    2,725.90/3,766.86 = 2,228.36/x
  3. Step 3: Cross multiply
    2,725.90x = 3,766.86 × 2,228.36
  4. Step 4: Simplify right side
    2,725.90x = 8,393,920.15
  5. Step 5: Solve for x
    x = 8,393,920.15/2,725.90
  6. Step 6: Final answer
    x = 3,079.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.